Search Results - "Virtanen, Juho‐Pekka"

Digital twin of a city: Review of technology serving city needs by Lehtola, Ville V., Koeva, Mila, Elberink, Sander Oude, Raposo, Paulo, Virtanen, Juho-Pekka, Vahdatikhaki, Faridaddin, Borsci, Simone

“…Digital twins (DTs) have been found useful in manufacturing, construction, and maintenance. Adapting DTs to serve cities, the question arises of what an urban…”
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Comparison of the Selected State-Of-The-Art 3D Indoor Scanning and Point Cloud Generation Methods by Lehtola, Ville, Kaartinen, Harri, Nüchter, Andreas, Kaijaluoto, Risto, Kukko, Antero, Litkey, Paula, Honkavaara, Eija, Rosnell, Tomi, Vaaja, Matti, Virtanen, Juho-Pekka, Kurkela, Matti, El Issaoui, Aimad, Zhu, Lingli, Jaakkola, Anttoni, Hyyppä, Juha

“…Accurate three-dimensional (3D) data from indoor spaces are of high importance for various applications in construction, indoor navigation and real estate…”
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Humans use Optokinetic Eye Movements to Track Waypoints for Steering by Lappi, Otto, Pekkanen, Jami, Rinkkala, Paavo, Tuhkanen, Samuel, Tuononen, Ari, Virtanen, Juho-Pekka

“…It is well-established how visual stimuli and self-motion in laboratory conditions reliably elicit retinal-image-stabilizing compensatory eye movements (CEM)…”
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A Comparison of Low-Cost Sensor Systems in Automatic Cloud-Based Indoor 3D Modeling by Ingman, Matias, Virtanen, Juho-Pekka, Vaaja, Matti T., Hyyppä, Hannu

“…The automated 3D modeling of indoor spaces is a rapidly advancing field, in which recent developments have made the modeling process more accessible to…”
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Forest in situ observations using unmanned aerial vehicle as an alternative of terrestrial measurements by Liang, Xinlian, Wang, Yunsheng, Pyörälä, Jiri, Lehtomäki, Matti, Yu, Xiaowei, Kaartinen, Harri, Kukko, Antero, Honkavaara, Eija, Issaoui, Aimad E. I., Nevalainen, Olli, Vaaja, Matti, Virtanen, Juho-Pekka, Katoh, Masato, Deng, Songqiu

“…Background Lately, terrestrial point clouds have drawn attention as a new data source for in situ forest investigations. So far, terrestrial laser scanning…”
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Feasibility of Google Tango and Kinect for Crowdsourcing Forestry Information by Juha Hyyppä, Juho-Pekka Virtanen, Anttoni Jaakkola, Xiaowei Yu, Hannu Hyyppä, Xinlian Liang

“…In this paper, we demonstrate the feasibility of using the Microsoft Kinect and Google Tango frame-based depth sensors for individual tree stem measurements…”
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Near Real-Time Semantic View Analysis of 3D City Models in Web Browser by Virtanen, Juho-Pekka, Jaalama, Kaisa, Puustinen, Tuulia, Julin, Arttu, Hyyppä, Juha, Hyyppä, Hannu

“…3D city models and their browser-based applications have become an increasingly applied tool in the cities. One of their applications is the analysis views and…”
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Evaluating the Quality of TLS Point Cloud Colorization by Julin, Arttu, Kurkela, Matti, Rantanen, Toni, Virtanen, Juho-Pekka, Maksimainen, Mikko, Kukko, Antero, Kaartinen, Harri, Vaaja, Matti T., Hyyppä, Juha, Hyyppä, Hannu

“…Terrestrial laser scanning (TLS) enables the efficient production of high-density colored 3D point clouds of real-world environments. An increasing number of…”
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Open Geospatial Data Integration in Game Engine for Urban Digital Twin Applications by Rantanen, Toni, Julin, Arttu, Virtanen, Juho-Pekka, Hyyppä, Hannu, Vaaja, Matti T.

“…Increasing interest has recently been shown towards the digital twins of cities. These urban digital twins utilize 3D city models together with other data…”
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The Combined Use of SLAM Laser Scanning and TLS for the 3D Indoor Mapping by Keitaanniemi, Aino, Virtanen, Juho-Pekka, Rönnholm, Petri, Kukko, Antero, Rantanen, Toni, Vaaja, Matti

“…An efficient 3D survey of a complex indoor environment remains a challenging task, especially if the accuracy requirements for the geometric data are high for…”
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Can the Perception Data of Autonomous Vehicles Be Used to Replace Mobile Mapping Surveys?—A Case Study Surveying Roadside City Trees by Hyyppä, Eric, Manninen, Petri, Maanpää, Jyri, Taher, Josef, Litkey, Paula, Hyyti, Heikki, Kukko, Antero, Kaartinen, Harri, Ahokas, Eero, Yu, Xiaowei, Muhojoki, Jesse, Lehtomäki, Matti, Virtanen, Juho-Pekka, Hyyppä, Juha

“…The continuous flow of autonomous vehicle-based data could revolutionize current map updating procedures and allow completely new types of mapping…”
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Characterizing 3D City Modeling Projects: Towards a Harmonized Interoperable System by Julin, Arttu, Jaalama, Kaisa, Virtanen, Juho-Pekka, Pouke, Matti, Ylipulli, Johanna, Vaaja, Matti, Hyyppä, Juha, Hyyppä, Hannu

“…3D city models have become common geospatial data assets for cities that can be utilized in numerous fields, in tasks related to planning, visualization, and…”
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A Simple Semantic-Based Data Storage Layout for Querying Point Clouds by El-Mahgary, Sami, Virtanen, Juho-Pekka, Hyyppä, Hannu

“…The importance of being able to separate the semantics from the actual (X,Y,Z) coordinates in a point cloud has been actively brought up in recent research…”
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Depth camera indoor mapping for 3D virtual radio play by Virtanen, Juho‐Pekka, Kurkela, Matti, Turppa, Tuomas, Vaaja, Matti T., Julin, Arttu, Kukko, Antero, Hyyppä, Juha, Ahlavuo, Marika, Numers, Jessica Edén, Haggrén, Henrik, Hyyppä, Hannu

“…By combining game engines with indoor mapping, it is possible to create interactive virtual environments that represent the real world. In this paper a virtual…”
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Automated Multi-Sensor 3D Reconstruction for the Web by Julin, Arttu, Jaalama, Kaisa, Virtanen, Juho-Pekka, Maksimainen, Mikko, Kurkela, Matti, Hyyppä, Juha, Hyyppä, Hannu

“…The Internet has become a major dissemination and sharing platform for 3D content. The utilization of 3D measurement methods can drastically increase the…”
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The feasibility of using a low-cost depth camera for 3D scanning in mass customization by Virtanen, Juho-Pekka, Antin, Kim-Niklas, Kurkela, Matti, Hyyppä, Hannu

“…By combining additive manufacturing with 3D measurement techniques, tailored production work-flows that include the digitizing of existing components,…”
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3D Point Cloud Data in Conveying Information for Local Green Factor Assessment by Jaalama, Kaisa, Kauhanen, Heikki, Keitaanniemi, Aino, Rantanen, Toni, Virtanen, Juho-Pekka, Julin, Arttu, Vaaja, Matti, Ingman, Matias, Ahlavuo, Marika, Hyyppä, Hannu

“…The importance of ensuring the adequacy of urban ecosystem services and green infrastructure has been widely highlighted in multidisciplinary research…”
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Nighttime Mobile Laser Scanning and 3D Luminance Measurement: Verifying the Outcome of Roadside Tree Pruning with Mobile Measurement of the Road Environment by Maksimainen, Mikko, Vaaja, Matti T., Kurkela, Matti, Virtanen, Juho-Pekka, Julin, Arttu, Jaalama, Kaisa, Hyyppä, Hannu

“…Roadside vegetation can affect the performance of installed road lighting. We demonstrate a workflow in which a car-mounted measurement system is used to…”
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Nationwide Point Cloud—The Future Topographic Core Data by Virtanen, Juho-Pekka, Kukko, Antero, Kaartinen, Harri, Jaakkola, Anttoni, Turppa, Tuomas, Hyyppä, Hannu, Hyyppä, Juha

“…Topographic databases maintained by national mapping agencies are currently the most common nationwide data sets in geo-information. The application of laser…”
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Luminance-Corrected 3D Point Clouds for Road and Street Environments by Vaaja, Matti T, Kurkela, Matti, Virtanen, Juho-Pekka, Maksimainen, Mikko, Hyyppae, Hannu, Hyyppae, Juha, Tetri, Eino

“…A novel approach to evaluating night-time road and street environment lighting conditions through 3D point clouds is presented. The combination of luminance…”
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